North American Network Operators Group

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RE: Cisco IOS Vulnerability

  • From: Darrell Kristof
  • Date: Wed Jul 16 23:13:44 2003

Cisco has posted information regarding this issue and work arounds.
12.3 based code does not exhibit this problem.  

Cisco Security Advisory: Cisco IOS Interface Blocked by IPv4 Packet

- Darrell

-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of
John Timmons
Sent: Wednesday, July 16, 2003 9:20 PM
To: [email protected]
Subject: Cisco IOS Vulnerability

i have no details regarding the ios vulnerability other than what has
already been stated on-list, but the IOS matrix obtained this evening
and listed at  shows what versions are
affected, and what to upgrade to resolve the mystery issue. not sure why
psirt is keeping this under wraps, since most NSPs are publicly
scheduling "emergency upgrades" to fix "network problems" that arent
being detailed to customers, and those same customers can and will be
affected by the same problem.


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